How do I get Price Alerts for flights from Chicago O'Hare Intl Airport to Iaşi?

Confirm your travel details to search for the latest offers for flights from Chicago O'Hare Intl Airport to Iaşi . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Chicago O'Hare Intl Airport to Iaşi with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Iasi Airport?

Prices for flights from Chicago O'Hare Intl Airport to Iasi Airport are updated daily.

How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Iasi Airport?

The number of operators available for flights from Chicago O'Hare Intl Airport to Iasi Airport is 1 as of September 2026.

How old do you have to be to fly from Chicago O'Hare Intl Airport to Iasi Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Iasi Airport.

What documentation or ID do you need to fly to Iasi Airport?

The travel and health documents you'll need for your trip to Iasi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Iasi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$722 Cheap Flights from Chicago O'Hare Intl Airport to Iaşi in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago O'Hare Intl Airport to Iaşi

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:20 pm - 3:20 pmORD Chicago O'Hare Intl-IAS Iasi

15h 00m1 stop Vienna Intl

4:05 pm - 2:00 pmIAS Iasi-ORD Chicago O'Hare Intl

29h 55m1 stop Vienna Intl

$722Austrian Airlines

Thu, Oct 29 - Wed, Nov 4

5:20 pm - 3:20 pmORD Chicago O'Hare Intl-IAS Iasi

15h 00m1 stop Vienna Intl

4:05 pm - 1:10 pmIAS Iasi-ORD Chicago O'Hare Intl

29h 05m2 stops Vienna Intl Frankfurt am Main

$725Multiple Airlines

Thu, Oct 29 - Wed, Nov 4

2:21 pm - 3:20 pmORD Chicago O'Hare Intl-IAS Iasi

17h 59m2 stops Washington, D.C. Dulles Intl Vienna Intl

4:05 pm - 1:10 pmIAS Iasi-ORD Chicago O'Hare Intl

29h 05m2 stops Vienna Intl Frankfurt am Main

$749Multiple Airlines

Thu, Oct 29 - Wed, Nov 4

9:50 pm - 3:20 pmORD Chicago O'Hare Intl-IAS Iasi

33h 30m2 stops Munich Franz Josef Strauss Vienna Intl

4:05 pm - 8:05 pmIAS Iasi-ORD Chicago O'Hare Intl

36h 00m2 stops Vienna Intl Frankfurt am Main

$773Lufthansa

Wed, Dec 23 - Sun, Jan 10

9:50 pm - 3:20 pmORD Chicago O'Hare Intl-IAS Iasi

33h 30m2 stops Munich Franz Josef Strauss Vienna Intl

4:05 pm - 1:10 pmIAS Iasi-ORD Chicago O'Hare Intl

29h 05m2 stops Vienna Intl Frankfurt am Main

$773Lufthansa

Wed, Dec 23 - Mon, Jan 11

9:50 pm - 3:20 pmORD Chicago O'Hare Intl-IAS Iasi

33h 30m2 stops Munich Franz Josef Strauss Vienna Intl

4:05 pm - 8:05 pmIAS Iasi-ORD Chicago O'Hare Intl

36h 00m2 stops Vienna Intl Frankfurt am Main

$804Lufthansa

Wed, Dec 23 - Thu, Jan 7

2:21 pm - 3:20 pmORD Chicago O'Hare Intl-IAS Iasi

17h 59m2 stops Washington, D.C. Dulles Intl Vienna Intl

4:05 pm - 2:00 pmIAS Iasi-ORD Chicago O'Hare Intl

29h 55m1 stop Vienna Intl

$838Austrian Airlines

Thu, Oct 29 - Sun, Nov 1

5:20 pm - 3:20 pmORD Chicago O'Hare Intl-IAS Iasi

15h 00m1 stop Vienna Intl

4:05 pm - 2:00 pmIAS Iasi-ORD Chicago O'Hare Intl

29h 55m1 stop Vienna Intl

$845Austrian Airlines

Thu, Oct 29 - Sun, Nov 1

10:50 pm - 10:05 pmORD Chicago O'Hare Intl-IAS Iasi

16h 15m2 stops Warsaw Frederic Chopin Bucharest Otopeni Intl

5:25 am - 8:55 pmIAS Iasi-ORD Chicago O'Hare Intl

22h 30m2 stops Bucharest Otopeni Intl Warsaw Frederic Chopin

$854Multiple Airlines

Sat, Oct 24 - Sat, Oct 31

9:50 pm - 3:20 pmORD Chicago O'Hare Intl-IAS Iasi

33h 30m2 stops Munich Franz Josef Strauss Vienna Intl

4:05 pm - 1:10 pmIAS Iasi-ORD Chicago O'Hare Intl

29h 05m2 stops Vienna Intl Frankfurt am Main

$869Lufthansa

Wed, Dec 23 - Fri, Jan 8

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Austrian Airlines flights from Chicago O'Hare Intl Airport to Iaşi

Our best Austrian Airlines deals on Chicago O'Hare Intl Airport to Iaşi flight tickets

Austrian Airlines

Oct 29

ORD5:20 pmChicago O'Hare Intl

15h 00m

1 stop

IAS3:20 pmIasi

Nov 4

IAS4:05 pmIasi

29h 55m

1 stop

ORD2:00 pmChicago O'Hare Intl

$722

Austrian Airlines

Oct 29

ORD2:21 pmChicago O'Hare Intl

17h 59m

2 stops

IAS3:20 pmIasi

Nov 1

IAS4:05 pmIasi

29h 55m

1 stop

ORD2:00 pmChicago O'Hare Intl

$838

Austrian Airlines

Oct 29

ORD5:20 pmChicago O'Hare Intl

15h 00m

1 stop

IAS3:20 pmIasi

Nov 1

IAS4:05 pmIasi

29h 55m

1 stop

ORD2:00 pmChicago O'Hare Intl

$845

Lufthansa flights from Chicago O'Hare Intl Airport to Iaşi

Our best Lufthansa deals on Chicago O'Hare Intl Airport to Iaşi flight tickets

Lufthansa

Dec 23

ORD9:50 pmChicago O'Hare Intl

33h 30m

2 stops

IAS3:20 pmIasi

Jan 11

IAS4:05 pmIasi

29h 05m

2 stops

ORD1:10 pmChicago O'Hare Intl

$773

Lufthansa

Dec 23

ORD9:50 pmChicago O'Hare Intl

33h 30m

2 stops

IAS3:20 pmIasi

Jan 7

IAS4:05 pmIasi

36h 00m

2 stops

ORD8:05 pmChicago O'Hare Intl

$804

Lufthansa

Dec 23

ORD9:50 pmChicago O'Hare Intl

33h 30m

2 stops

IAS3:20 pmIasi

Jan 8

IAS4:05 pmIasi

29h 05m

2 stops

ORD1:10 pmChicago O'Hare Intl

$869

momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Iaşi that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoIaşi

ORD Chicago O'Hare Intl - IAS Iasi

ORDIAS

Chicago O'Hare Intl

Thu 10/29

5:20 pm-3:20 pm

1 stop15h 00m

Iasi

Wed 11/4

4:05 pm-2:00 pm

1 stop29h 55m

$722

ChicagoIaşi

ORD Chicago O'Hare Intl - IAS Iasi

ORDIAS

Chicago O'Hare Intl

Thu 10/29

5:20 pm-3:20 pm

1 stop15h 00m

Iasi

Wed 11/4

4:05 pm-1:10 pm

2 stops29h 05m

$725

ChicagoIaşi

ORD Chicago O'Hare Intl - IAS Iasi

ORDIAS

Chicago O'Hare Intl

Thu 10/29

2:21 pm-3:20 pm

2 stops17h 59m

Iasi

Wed 11/4

4:05 pm-1:10 pm

2 stops29h 05m

$749

ChicagoIaşi

ORD Chicago O'Hare Intl - IAS Iasi

ORDIAS

Chicago O'Hare Intl

Wed 12/23

9:50 pm-3:20 pm

2 stops33h 30m

Iasi

Sun 1/10

4:05 pm-8:05 pm

2 stops36h 00m

$773

ChicagoIaşi

ORD Chicago O'Hare Intl - IAS Iasi

ORDIAS

Chicago O'Hare Intl

Wed 12/23

9:50 pm-3:20 pm

2 stops33h 30m

Iasi

Mon 1/11

4:05 pm-1:10 pm

2 stops29h 05m

$773

ChicagoIaşi

ORD Chicago O'Hare Intl - IAS Iasi

ORDIAS

Chicago O'Hare Intl

Wed 12/23

9:50 pm-3:20 pm

2 stops33h 30m

Iasi

Thu 1/7

4:05 pm-8:05 pm

2 stops36h 00m

$804

ChicagoIaşi

ORD Chicago O'Hare Intl - IAS Iasi

ORDIAS

Chicago O'Hare Intl

Thu 10/29

2:21 pm-3:20 pm

2 stops17h 59m

Iasi

Sun 11/1

4:05 pm-2:00 pm

1 stop29h 55m

$838

ChicagoIaşi

ORD Chicago O'Hare Intl - IAS Iasi

ORDIAS

Chicago O'Hare Intl

Thu 10/29

5:20 pm-3:20 pm

1 stop15h 00m

Iasi

Sun 11/1

4:05 pm-2:00 pm

1 stop29h 55m

$845

Quickest round-trip

ChicagoIaşi

ORD Chicago O'Hare Intl - IAS Iasi

ORDIAS

Chicago O'Hare Intl

Sat 10/24

10:50 pm-10:05 pm

2 stops16h 15m

Iasi

Sat 10/31

5:25 am-8:55 pm

2 stops22h 30m

$854

ChicagoIaşi

ORD Chicago O'Hare Intl - IAS Iasi

ORDIAS

Chicago O'Hare Intl

Wed 12/23

9:50 pm-3:20 pm

2 stops33h 30m

Iasi

Fri 1/8

4:05 pm-1:10 pm

2 stops29h 05m

$869

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Chicago O'Hare Intl Airport to Iaşi

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Iaşi according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Iaşi (ORD to IAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Iaşi

Best Price Found	$722
Fastest flight time	15h 00m
Direct flights	None

The best flight deal from Chicago O'Hare Intl Airport to Iaşi found on momondo in the last 72 hours is $722

The fastest flight from Chicago O'Hare Intl Airport to Iaşi takes 15h 00m

There are no direct flights from Chicago O'Hare Intl Airport to Iaşi. There are no popular flight routes from Chicago O'Hare Intl Airport to Iaşi.

Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Iaşi

How far is Chicago O'Hare Intl to Iasi by plane?
The distance between Chicago O'Hare Intl and Iasi is about 5120.7 mi. Flights usually cover this in 15h 00m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Iasi Airport?
Prices for flights from Chicago O'Hare Intl Airport to Iasi Airport are updated daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Iasi Airport?
The number of operators available for flights from Chicago O'Hare Intl Airport to Iasi Airport is 1 as of September 2026.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Iasi Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Iasi Airport.
What documentation or ID do you need to fly to Iasi Airport?
The travel and health documents you'll need for your trip to Iasi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Iasi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Chicago O'Hare Intl Airport to Iaşi?
momondo data reveals that the most frequently booked airline on the route from Chicago O'Hare Intl Airport to Iaşi is Austrian Airlines, representing 100% of all bookings.

Best airlines flying from Chicago O'Hare Intl Airport to Iaşi

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Iaşi with momondo

Airline	Rating	Free Cancellation	Price
Austrian Airlines	PriceFrom $608	Free Cancellation	Rating 7.6 959 reviews		Search Austrian Airlines flights

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Iaşi

How do I get Price Alerts for flights from Chicago O'Hare Intl Airport to Iaşi?
Confirm your travel details to search for the latest offers for flights from Chicago O'Hare Intl Airport to Iaşi. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Chicago O'Hare Intl Airport to Iaşi with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Iaşi?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Iaşi. momondo saves you time and could save you money on your trip.

Can I find flights from Chicago to Iaşi with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Chicago to Iaşi flights to just show those with flexible booking policies.

How can momondo help me find flights from Chicago to Iaşi?

momondo provides multiple filters to help you find the best flight to Iaşi from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Chicago to Iaşi right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Iaşi from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.